cities = {
    'beijing':{
        'country': 'china',
        'population': 20_000_000,
        'fact': 'the Forbidden City'
    },
    'tongren': {
        'country': 'china',
        'population': 2_000_000,
        'fact': 'Jingjiang River'
    },
    'paris':{
        'country': 'France',
        'population': 600_000_000,
        'fact': 'tower'
    }
}

for name,city_info in cities.items():
    print(f"{name}'s info:")
    print(f"\t国家:{city_info['country']}")
    print(f"\t人口:{city_info['population']}")
    print(f"\t事实:{city_info['fact']}\n")